59 lines
1.8 KiB
Swift
59 lines
1.8 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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import GRDB
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// MARK: - General.Cache
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public enum General {
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public class Cache: GeneralCacheType {
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public var encodedPublicKey: String? = nil
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public var recentReactionTimestamps: [Int64] = []
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}
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}
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public extension Cache {
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static let general: CacheInfo.Config<GeneralCacheType, ImmutableGeneralCacheType> = CacheInfo.create(
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createInstance: { General.Cache() },
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mutableInstance: { $0 },
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immutableInstance: { $0 }
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)
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}
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// MARK: - GeneralError
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public enum GeneralError: Error {
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case invalidSeed
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case keyGenerationFailed
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case randomGenerationFailed
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}
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// MARK: - Convenience
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public func getUserHexEncodedPublicKey(_ db: Database? = nil, using dependencies: Dependencies = Dependencies()) -> String {
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if let cachedKey: String = dependencies.caches[.general].encodedPublicKey { return cachedKey }
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if let publicKey: Data = Identity.fetchUserPublicKey(db) { // Can be nil under some circumstances
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let sessionId: SessionId = SessionId(.standard, publicKey: publicKey.bytes)
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dependencies.caches.mutate(cache: .general) { $0.encodedPublicKey = sessionId.hexString }
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return sessionId.hexString
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}
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return ""
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}
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// MARK: - GeneralCacheType
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/// This is a read-only version of the `General.Cache` designed to avoid unintentionally mutating the instance in a
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/// non-thread-safe way
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public protocol ImmutableGeneralCacheType: ImmutableCacheType {
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var encodedPublicKey: String? { get }
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var recentReactionTimestamps: [Int64] { get }
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}
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public protocol GeneralCacheType: ImmutableGeneralCacheType, MutableCacheType {
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var encodedPublicKey: String? { get set }
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var recentReactionTimestamps: [Int64] { get set }
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}
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